There are many places to visit in himachalpradesh, definitely u will fall in love with snow, solang valley, manali, kullu, shimla, dharmashala, mandi, spiti Valley, but mostly the roads will be cover with snow, so itz better u plan after end of February.
I will suggest you peaceful offbeat village life including camping trekking that too in budget. the place is gattdhar in himachal . for details read my article
Here are some beautiful places to visit in Himachal. Kalpa
Manali Shimla
Barot and Dharamshala. December is full winter season in Himachal. Filled with snow, mist and fog with temperature dipping low, it’s one such ideal time to visit provided you are a winter traveller. Winter sports are famous besides viewing snow capped peaks.
There are number of places nd hill stations in Himachal Pradesh to be explored. If you want to experience Snow then December or January is best option for Himachal Pradesh. Shimla
Manali Dalhousie
Dharamshala Tirthan Valley Barot Valley Kinnaur These are places to be covered in Himachal Pradesh
Himachal Pradesh is known for its beautiful hill stations, which are among the best places to see in this state. The most popular places in Himachal are Manali
Kasol
Kullu Valley
Parvati Valley
Dalhousie
Dharamshala
Spiti Valley December is a good time to book flight tickets to Himachal Pradesh if you wish to see snowfall or take part in snow related activities. Many places experience normal to heavy snowfall in this month.